
#app{
  height: 100%;
}

/* 基础样式 */
body {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #24292e;
  background-color: #ffffff;
  margin: 0;
  height: 100vh;
}

/* 标题 */
h1, h2, h3, h4, h5, h6 {
  margin-top: 24px;
  margin-bottom: 16px;
  font-weight: 600;
  line-height: 1.25;
}

h1 {
  font-size: 2em;
}

h2 {
  font-size: 1.5em;
}

h3 {
  font-size: 1.25em;
}

h4 {
  font-size: 1em;
}

h5 {
  font-size: 0.875em;
}

h6 {
  font-size: 0.75em;
}

/* 段落 */
p {
  margin-top: 0;
  margin-bottom: 16px;
}

/* 链接 */
a {
  color: #0366d6;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* 强调 */
strong {
  font-weight: 600;
}

em {
  font-style: italic;
}

/* 列表 */
ul, ol {
  margin-top: 0;
  margin-bottom: 16px;
  padding-left: 2em;
}

li {
  margin-bottom: 0.5em;
}

/* 引用 */
blockquote {
  margin: 0 0 16px;
  padding: 0 1em;
  color: #6a737d;
  border-left: 0.25em solid #dfe2e5;
}

/* 代码 */
code {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
  font-size: 85%;
  color: #24292e;
  background-color: #f1f2f3;
  border-radius: 3px;
  padding: 0.2em 0.4em;
}

pre {
  margin-top: 0;
  margin-bottom: 16px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
  font-size: 85%;
  color: #24292e;
  background-color: #f1f2f3;
  border-radius: 3px;
  padding: 16px;
  overflow: auto;
}

/* 表格 */
table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 6px 13px;
  border: 1px solid #dfe2e5;
}

th {
  background-color: #f6f8fa;
}

/* 图片 */
img {
  max-width: 100%;
  height: auto;
  border-radius: 3px;
}

/* 分割线 */
hr {
  border: 0;
  height: 1px;
  background-color: #dfe2e5;
  margin: 24px 0;
}
